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DNA reveals high dispersal synchronizing the population dynamics of Canada lynx.
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DNA reveals high dispersal synchronizing the population dynamics of Canada lynx.

Author: MK Schwartz; LS Mills; KS McKelvey; LF Ruggiero; FW Allendorf
Edition/Format: Article Article : English
Publication:Nature, 2002 Jan 31; 415(6871): 520-2
Database:From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
Other Databases: ArticleFirstBritish Library Serials
Summary:
Population dynamics of Canada lynx (Lynx canadensis) have been of interest to ecologists for nearly sixty years. Two competing hypotheses concerning lynx population dynamics and large-scale spatial synchrony are currently debated. The first suggests that dispersal is substantial among lynx populations, and the second proposes that lynx at the periphery of their range exist in small, isolated patches that maintain  Read more...
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Details

Document Type: Article
All Authors / Contributors: MK Schwartz; LS Mills; KS McKelvey; LF Ruggiero; FW Allendorf
ISSN:0028-0836
OCLC Number: 121035146
Language Note: English
Awards:

Abstract:

Population dynamics of Canada lynx (Lynx canadensis) have been of interest to ecologists for nearly sixty years. Two competing hypotheses concerning lynx population dynamics and large-scale spatial synchrony are currently debated. The first suggests that dispersal is substantial among lynx populations, and the second proposes that lynx at the periphery of their range exist in small, isolated patches that maintain cycle synchrony via correlation with extrinsic environmental factors. Resolving the nature of lynx population dynamics and dispersal is important both to ecological theory and to the conservation of threatened lynx populations: the lack of knowledge about connectivity between populations at the southern periphery of the lynx's geographic range delayed their legal listing in the United States. We test these competing hypotheses using microsatellite DNA markers and lynx samples from 17 collection sites in the core and periphery of the lynx's geographic range. Here we show high gene flow despite separation by distances greater than 3,100 km, supporting the dispersal hypothesis. We therefore suggest that management actions in the contiguous United States should focus on maintaining connectivity with the core of the lynx's geographic range.

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